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Finding the Fourth Proportional to 562.27, 843.47 and 196.96

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Solution

The fourth proportional to 562.27, 843.47 and 196.96 is: 295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.27 : 843.47 = 196.96 : x
  2. Step 2: Convert to fraction form
    562.27/843.47 = 196.96/x
  3. Step 3: Cross multiply
    562.27x = 843.47 × 196.96
  4. Step 4: Simplify right side
    562.27x = 166,128.87
  5. Step 5: Solve for x
    x = 166,128.87/562.27
  6. Step 6: Final answer
    x = 295.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.